#736B5C

CSS

:root {
  --granite: #736b5c;
  --granite-rgb: 115 107 92;
  --granite-oklch: oklch(0.531 0.025 83.2);
}

.element {
  color: var(--granite);
  background-color: hsl(39 11% 41%);
  border-color: oklch(0.531 0.025 83.2);
}

Tailwind CSS v4

@theme {
  --color-granite: #736b5c;
  --color-granite-50: #f8f5ed;
  --color-granite-100: #ece7df;
  --color-granite-200: #d9d4c9;
  --color-granite-300: #bdb7a9;
  --color-granite-400: #a69d8e;
  --color-granite-500: #8e8574;
  --color-granite-600: #787162;
  --color-granite-700: #605a4e;
  --color-granite-800: #474239;
  --color-granite-900: #312d27;
  --color-granite-950: #1d1a15;
}

SCSS

$granite: #736b5c;
$granite-rgb: 115, 107, 92;
$granite-light: mix(#fff, $granite, 20%);
$granite-dark: mix(#000, $granite, 20%);

.element {
  color: $granite;
  box-shadow: 0 0 0 2px rgba($granite, 0.35);
}